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Question Number 10553 by shiv ram last updated on 17/Feb/17
$$\left(\mathrm{D}^{\mathrm{2}} +\mathrm{4}\right)\mathrm{y}=\mathrm{tan}\:\mathrm{2x}\:\:\:\:\:\:\:\:\:\:\:\mathrm{D}=\mathrm{d}/\mathrm{dx} \\ $$